L. Özcan, T. Fichtler, B. Kasten, C. Koldewey, and R. Dumitrescu, “Interview Study on Strategy Options for Platform Operation in B Markets,” presented at the ISPIM Innovation Conference, Ljubljana, 2023.

S. Gottschalk, E. Yigitbas, A. Nowosad, and G. Engels, “Situational Business Model Developer: A Tool-support for Situation-speciû01c Business Model Development,” presented at the 17th International Conference on Wirtschaftsinformatik, Nuremberg, 2022.

I. Gräßler, B. Grewe, and H. Kramer, “Supporting Business Model Generation with Augmented Reality,” presented at the 33. ISPIM Innovation Conference “Innovating in a Digital World,” Copenhagen, 2022.

S. Gottschalk, E. Yigitbas, A. Nowosad, and G. Engels, “Continuous Situation-specific Development of Business Models: Knowledge Provision, Method Composition, Method Enactment,” International Journal on Software and Systems Modeling (SoSyM) , 2022.

S. Gottschalk, E. Yigitbas, A. Nowosad, and G. Engels, “Situation-specific Business Model Development Methods for Mobile App Developers,” in Enterprise, Business-Process and Information Systems Modeling, 2021.

S. Gottschalk, E. Yigitbas, A. Nowosad, and G. Engels, “Situation- and  Domain-specific Composition and Enactment of Business Model Development Methods,” in Product-focused Software Process Improvement, Springer, 2021.

S. Gottschalk, F. Rittmeier, and G. Engels, “Hypothesis-driven Adaptation of Business Models based on Product Line Engineering,” in Proceedings of the 22nd IEEE International Conference on Business Informatics, Antwerp, 2020.

S. Gottschalk, E. Yigitbas, and G. Engels, “Model-based Hypothesis Engineering for Supporting Adaptation to Uncertain Customer Needs,” in Business Modeling and Software Design, Potsdam, 2020, vol. 391, pp. 276–286.

D. Szopinski, “Can stimuli improve business model idea generation? Developing software-based tools for business model innovation,” in Proceedings of the ACM Creativity &; Cognition, San Diego, USA, 2019.

D. Szopinski, “Squaring the circle: Business model teaching in large classroom settings,” Journal of Business Models, vol. 7, no. 3, pp. 90–100, 2019.

S. Gottschalk, F. Rittmeier, and G. Engels, “Intertwined Development of Business Model and Product Functions for Mobile Applications: A Twin Peak Feature Modeling Approach,” in Software Business,  Jyväskylä, 2019, vol. 370, no. 1, pp. 192–207.